<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>

</body>
<script>
    const user = {
        name: 'luck',
        age: 19
    }
    var str = '我的姓名是:' + user.name + '我的年龄是:' + user.age;
    console.log(str);
    var str1 = `我的姓名是:${user.name}我的年龄是:${user.age}`;
    console.log(str1);
</script>

</html>